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Saponite Mineral Data + |
General Saponite Information |
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| (Ca/2,Na)0,3(Mg,Fe++)3(Si,Al)4O10(OH)2·4(H2O) | |||
| Molecular Weight = 480.19 gm | |||
| Sodium 0.48 % Na 0.65 % Na2O | |||
| Calcium 0.83 % Ca 1.17 % CaO | |||
| Magnesium 11.39 % Mg 18.89 % MgO | |||
| Aluminum 5.62 % Al 10.62 % Al2O3 | |||
| Iron 8.72 % Fe 11.22 % FeO | |||
| Silicon 17.55 % Si 37.54 % SiO2 | |||
| Hydrogen 2.10 % H 18.76 % H2O | |||
| Oxygen 53.31 % O | |||
| ______ ______ | |||
| 100.00 % 98.83 % = TOTAL OXIDE | |||
| Ca0.1Na0.1Mg2.25Fe2+0.75Si3AlO10(OH)2·4(H2O) | |||
| Amygdaloidal cavities in basalts. | |||
| Valid Species (Pre-IMA) 1758 | |||
| Lizard Head in Cornwall, England. Link to MinDat.org Location Data. | |||
| From the Latin, sapo meaning "soap.' | |||
| Griffithite-Ferroan | |||
| Piotine | |||
| Sobotkite-Aluminian | |||
Saponite Image | |||
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Saponite Crystallography |
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| a:b:c =0.5786:1:1.3537 | |||
| a = 5.3, b = 9.16, c = 12.4, Z = 2; beta = 96.5° V = 598.13 Den(Calc)= 2.67 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | |||
| By Intensity(I/Io): 12.3(1), 1.53(0.7), 3.1(0.5), | |||
Physical Properties of Saponite |
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| [001] Perfect | |||
| White, Yellowish white, Greenish white, Reddish white, Bluish white. | |||
| 2.3 | |||
| Subtranslucent to opaque | |||
| Earthy - Dull, clay-like fractures with no visible crystalline affinities, (e.g. howlite). | |||
| Granular - Generally occurs as anhedral to subhedral crystals in matrix. | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| 1.5-2 - Talc-Gypsum | |||
| None. | |||
| Earthy (Dull) | |||
| white | |||
Optical Properties of Saponite |
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| CI meas= 0.026 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.161 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1899,KPDmeas= 0.2204,KC= 0.2264 |
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| Biaxial (-), a=1.479-1.49, b=1.51-1.525, g=1.511-1.527, bire=0.0320-0.0370, 2V(Calc)=20-26, 2V(Meas)=0-10. Dispersion none. | |||
Calculated Properties of Saponite |
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relectron=2.32 gm/cc |
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| Fermion Index = 0.0217 Boson Index = 0.9783 |
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PESaponite = 3.76 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Saponite is Not Radioactive |
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Saponite Classification |
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| 71.3.1b.2 (71)Phyllosilicate Sheets of Six-Membered Rings | |||
| (71.3)with 2:1 clays | |||
| (71.3.1b)Smectite group (Trioctahedral Smectites) | |||
| VIII/H.20-20 VIII - Silicates | |||
| VIII/H - Phyllosilicates (layered) Mica like with [Si4O10]4- and related groups | |||
| VIII/H.20 - Hectorite - Zincsilite series | |||
Other Saponite Information |
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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | |||
| Links to other databases for Saponite : 1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 -Athena 5 - Crocoite.com Mineral Locations 6 - EUROmin Project 7 -Google Images 8 -Google Scholar 9 -Handbook of Mineralogy (MinSocAm) 10 -Handbook of Mineralogy (UofA) 11 -MinDAT 12 -MinMax(Deutsch) 13 -MinMax(English) 14 -Mineralienatlas (Deutsch) 15 - Minerals of Wisconsin 16 -QUT Mineral Atlas 17 -École des Mines de Paris Search for Saponite using: Visit our Advertisers for Saponite : Translate Saponite Mineral Data : Ask about Saponite here : Print or Cut-and-Paste your Saponite Specimen Label here :
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